SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A chemical property that refers to the energy released when a compound undergoes burning.
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Reactivity
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Flammability
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Chemical Stability
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Heat of Combustion
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Explanation:
Detailed explanation-1: -Calorific value reflects the amount of energy emitted when a fuel or substance undergoes a complete combustion process.
Detailed explanation-2: -During combustion chemical energy is converted to thermal energy. The thermal energy released by a quantity of fuel can be used to heat a measured volume of water.
Detailed explanation-3: -during the combustion, bond formation takes place and energy is released, that means it is an exothermic reaction.
Detailed explanation-4: -During combustion, the fuel reacts with oxygen to form some new gases, means a new substance is definitely formed. So, combustion is a chemical change.
Detailed explanation-5: -Exothermic reactions are chemical reactions that produce heat.
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